Mouth and throat problems
Radiation therapy is often used to treat cancer in the mouth, throat, neck or upper chest region. Depending on the area treated, radiation therapy may affect your mouth and teeth. This can make eating and swallowing difficult, and change your sense of taste.
Learn more about:
- Teeth problems
- Dryness and other issues
- Swallowing and taste changes
- How to relieve mouth and throat problems
Listen to our podcasts on Coping with a Cancer Diagnosis and Making Treatment Decisions
Teeth problems
Radiation therapy to the mouth may increase the chance of tooth decay or other problems in the future. You will need to have a thorough dental check-up and may need to have any decaying teeth removed before treatment starts.
Your dentist can provide an oral health care plan, which outlines any dental work you need before having radiation therapy. It also provides detailed instructions about how to care for your mouth to help prevent tooth decay and deal with side effects such as mouth sores. You will need regular dental check-ups after treatment ends to help prevent future problems.
Dryness and other issues
After several weeks of treatment, your mouth or throat may become dry and sore, and your voice may become hoarse. Radiation therapy can affect your salivary glands so you produce less saliva, which can contribute to the dry mouth. These effects will gradually improve after treatment finishes, but it may take several weeks or even months. In some cases, the effects may improve but not completely disappear.
You may have thick phlegm in your throat, or a lump-like feeling that makes it hard to swallow. Food may also taste different. Taste changes may last for many months after treatment, but normal taste usually returns eventually.
Swallowing and taste changes
You may have thick phlegm in your throat, or a lump-like feeling that makes it hard to swallow. Food may also taste different. Taste changes may last for many months after treatment, but normal taste usually returns eventually. Sometimes, swallowing may be affected for months after treatment and your speech pathologist will monitor you closely to help you recover. Rarely, swallowing problems may be permanent.
For more on this, see Mouth health and cancer treatment and Taste and smell changes.
Click on the icon below to download a PDF fact sheet on mouth health and cancer treatment
Instructions for downloading and reading EPUB files
Apple devices
The iBooks application must be installed on your Apple device before you can read the EPUB.
Different ways to download an EPUB file to your Apple device:
- email EPUB files to yourself and transfer the attachment to iBooks.
- copy EPUB files into DropBox (or a similar service) and use the DropBox app to send them to iBooks.
- open EPUB files directly from Mobile Safari and open them in iBooks, where they are saved automatically by downloading the EPUB from the website.
Need more help? Visit: http://support.apple.com/kb/HT4059
Kobo
To download an EPUB file to your Kobo from a Windows computer:
- download and save the EPUB directly onto your desktop.
- connect your Kobo to your computer using the USB cable and tap “Connect” on your eReader.
- select “Open folder to view files” to view the contents of your Kobo.
- navigate to where you have stored your EPUB file in “Finder”, in documents or downloads, and drag and drop it into the Kobo window. You can now disconnect your Kobo to read the eBook.
To download an EPUB to your Kobo from a Mac:
- download and save the EPUB directly onto your desktop.
- connect your Kobo to your computer using the USB cable and tap “Connect” on your eReader.
- open your “Finder” application.
- select “Kobo eReader” from the listed devices to view the contents of your Kobo.
- navigate to where you have stored your EPUB file in “Finder”, probably in documents or downloads, and drag and drop it into the Kobo window. You can now disconnect your Kobo to read the eBook.
Turn on your Kobo and your EPUB will be located in “eBooks”, while a PDF will be located in “Documents”.
Need more information? Visit: http://www.kobo.com/help/koboaura/response/?id=3784&type=3
Sony Reader
To download an EPUB file on your Sony Reader™:
- ensure you have already installed the Reader™ Library for PC/Mac software
- select the eBook you want from our website and click the link to download it.
- connect the Reader™ to your computer.
- open the Reader™ Library software and click “Library” in the left-hand pane and select the eBook to view it.
Need more help? Visit: https://au.readerstore.sony.com/apps_and_devices/
Amazon Kindle 2nd Generation devices
EPUB files can’t be read on the Amazon Kindle™. However, like most eReaders, Kindle™ 2nd Generation devices are able to display PDFs. We recommend that you download the PDF version of this booklet if you would like to read it on a Kindle™.
To transfer a PDF to your Kindle™ via USB cable from your computer or Mac:
- download the PDF directly onto your computer.
- connect the USB cable to your computer’s USB port, and the micro USB end of the cable to your Kindle™. Note: the Kindle™ won’t be available as a reading device while it is connected to your computer until it has been disconnected.
- open the Kindle™ drive and several folders will appear inside. The “Documents” folder is where you will need to copy or drag the PDF to.
- safely eject your Kindle™ from your computer and unplug the USB cable. Your content will appear on the Home Screen.
Kindle also provides a Kindle Personal Documents Service that allows users to send documents as an attachment directly to your eReader. For more information on this service, visit http://www.amazon.com/gp/help/customer/display.html/ref=help_search_1-1?ie=UTF8&nodeId=200767340&qid=1395967989&sr=1-1
For more information on accessing a PDF on your Kindle™, visit www.amazon.com/manageyourkindle, log in to your account and click on Personal Document Settings.
Need more help? Visit https://www.amazon.com/gp/help/customer/display.html?nodeId=200375630
Android and PC
You can also download and open eBooks on Android devices and PCs with appropriate apps or software installed. Suitable eReader apps for Android include Google Play Books, FBReader and Moon+ Reader. Suitable software for PCs include Calibre and Adobe Digital Editions.
This information was last reviewed in December 2019
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